one year ago today hurricane sandy devastated the northeast coast. it was the second costliest storm on record after hurricane katrina with damage totaling $50 million -- $50 billion. more than 100 people were killed in the storm. many people are still without homes and the rebuilding effort continues. >>> the amount of chemicals making their way into the san francisco bay is raising concern. according to the san francisco chronicle, the chemicals are mainly used in homes and businesses and if unchecked could harm aquatic life. experts say one chemical being found in the highest doses is fiprnal used in insecticides to kill insects in the home and fleas in pets. >>> let's check in with tara right now. muni is having some problems, right? >> yeah. muni had a couple of delays on the f-line. a non-muni accident. those shuttles were being run. they just posted on twitter, that they've cleared the problem. it's being taken care of. the service is back to normal. right now you can see the congestion we're talking about on 680 southbound from the concord ar